class_docstr: Class for computing metrics based on two StructuredDatasets.
docstr: Ratio of the averages.
docstr_tok: ["Ratio","of","the","averages","."]
code: def mean_euclidean_distance_ratio(self, privileged=None):
      """Ratio of the averages."""
      return self.ratio(
          self.average(self.euclidean_distance, privileged=privileged)
      )
  
imports: from functools import partial
  import numpy
  import scipy.spatial.distance
  from aif360.datasets import StructuredDataset
  from aif360.metrics import DatasetMetric, utils
label_desc: Use image node_id 20 for calling the SampleDistortionMetric obj's underlying member method code with example usage: obj.mean_euclidean_distance_ratio(privileged) and returns: self